final Map<String, Object> params = new HashMap<>();
        final String invalidScript = "this is not valid {{{";

        // First call: syntax error returns null
        assertNull(engine.evaluate(invalidScript, params));

        // Second call: should also return null (not cached, recompiles and fails again)
        assertNull(engine.evaluate(invalidScript, params));

     * This method can be called by the application to create message containers.
     *
     * @return a new FessMessages instance
     */
    @Override
    public FessMessages createMessages() { // application may call
        return new FessMessages(); // overriding to change return type to concrete-class
    }

    // ===================================================================================

"))return null;s.includes("#")&&!s.startsWith("#")&&(s=`#${s.split("#")[1]}`),e=s&&"#"!==s?s.trim():null}return r(e)},K={find:(t,e=document.documentElement)=>[].concat(...Element.prototype.querySelectorAll.call(e,t)),findOne:(t,e=document.documentElement)=>Element.prototype.querySelector.call(e,t),children:(t,e)=>[].concat(...t.children).filter((t=>t.matches(e))),parents(t,e){const s=[];let i=t.parentNode.closest(e);for(;i;)s.push(i),i=i.parentNode.closest(e);return s},prev(t,e){let s=t.previous...

            method.setAccessible(true);
            return (CurlRequest) method.invoke(curlHelper, request);
        } catch (Exception e) {
            fail("Failed to call protected request method: " + e.getMessage());
            return null;
        }
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        // Clean up system properties

        FessCurtainFinallyHook customHook = new FessCurtainFinallyHook() {
            @Override
            public void hook(final FwAssistantDirector assistantDirector) {
                // Use reflection to call private method
                try {
                    Method method = FessCurtainFinallyHook.class.getDeclaredMethod("shutdownCommonsHttpClient");
                    method.setAccessible(true);

    }

    // Test getImageFilename with docid - use the String version directly
    @Test
    public void test_getImageFilename_withDocId() {
        String docid = "1234567890abcdef";
        // Call the String version directly
        String filename = thumbnailManager.getImageFilename(docid);
        assertNotNull(filename);
        assertTrue(filename.endsWith(".png"));
        assertTrue(filename.contains("/"));

if NOT "%FESS_HEAP_SIZE%" == "" set FESS_MIN_MEM=%FESS_HEAP_SIZE%
if NOT "%FESS_HEAP_SIZE%" == "" set FESS_MAX_MEM=%FESS_HEAP_SIZE%

call:convertxm %FESS_MIN_MEM% JVM_XMS
call:convertxm %FESS_MAX_MEM% JVM_XMX

CALL "%FESS_HOME%\bin\fess.in.bat"

rem thread stack size
set JVM_SS=256

        assertNotNull(result);
        assertTrue(result.contains("Session Id:"));
        assertNotNull(pythonJob.sessionId);
        assertTrue(pythonJob.sessionId.length() >= 10);

        // The test doesn't actually call the real process since ServletContext.getRealPath returns null in test
        // and causes an exception which is caught and added to result
        assertTrue(result.contains("Session Id:"));
    }

        ThumbnailGenerationException exception = new ThumbnailGenerationException("Test", new Exception());

        // The message and cause constructor uses normal super call, so stack trace should be available
        assertTrue(exception.getStackTrace().length > 0);
    }

    @Test
    public void test_multipleNestedExceptions() {
        // Test with multiple nested exceptions

    }

    @Test
    public void test_constructorWithThrowableCause_StackOverflowError() {
        // Test with StackOverflowError as cause
        String message = "SSO recursive call exceeded stack limit";
        StackOverflowError error = new StackOverflowError("Recursive SSO validation");
        SsoProcessException exception = new SsoProcessException(message, error);